Corsi 718, approx. 145 x 73 x 40 mm, © Oxford University Museum of Natural History
| OUMNH Number: | 718 |
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| Name and quarry location: | Petrified wood, locality unknown |
| Geological description: | Silicified wood with very well-preserved cell structure, most probably opal rather than quartz. |
| Comments: | No particular provenance can be suggested, as petrified wood comes from many different places. |
| References: | Corsi (1845) 230-231; Price (2007) 253 |
| Further information: |
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| Corsi's classification: | Class 14. Quartz and its varieties; Species 3. Petrified wood |
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| Corsi's text: | 180.5 Legni pietrificati |